30497453069 has 2 divisors, whose sum is σ = 30497453070. Its totient is φ = 30497453068.

The previous prime is 30497453029. The next prime is 30497453113. The reversal of 30497453069 is 96035479403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21659008900 + 8838444169 = 147170^2 + 94013^2 .

It is a cyclic number.

It is not a de Polignac number, because 30497453069 - 2⁸ = 30497452813 is a prime.

It is a super-2 number, since 2×30497453069² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30497453029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15248726534 + 15248726535.

It is an arithmetic number, because the mean of its divisors is an integer number (15248726535).

Almost surely, 2^30497453069 is an apocalyptic number.

It is an amenable number.

30497453069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30497453069 is an equidigital number, since it uses as much as digits as its factorization.

30497453069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 30497453069 in words is "thirty billion, four hundred ninety-seven million, four hundred fifty-three thousand, sixty-nine".